Juan Esteban Pedernera

Juan Esteban Pedernera (25 December 1796-1 February 1886) was President of Argentina from 5 November to 12 December 1861, succeeding Santiago Derqui and preceding Bartolome Mitre.

Biography
Juan Esteban Pedernera was born in San Jose del Morro, San Luis, Argentina on 25 December 1796, and he served under Jose de San Martin during the Argentine War of Independence. He later fought in the Cisplatine War and fought for the Unitarios during the Argentine Civil War; in 1856, he became commander of the frontier forces, and he became Governor of San Luis in 1859. From 1860 to 1861, he served as Vice President under Santiago Derqui, and he went on ot briefly serve as President from November to December 1861, when Bartolome Mitre seized power. He died in 1886.